Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
6067
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
206279617.7old
3118439721.6old
677222809929.3old
422372802063262811701280898195826526407599319883349161.52024-10-26 00:46:56
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000007069 / 16550
Estimated T-Level: 47.1 ⓘ
TF below 2^152 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver Kruse75BDD8C192D862CC3013
Factored
No proof (small exponent)
2017-10-12kkmrkkblmbrbk75BDD8C192D862CC3560813
Factored
No proof (small exponent)
2020-04-17Oliver Kruse4791199C7F61491D3288453
Factored
No proof (small exponent)
2024-02-03Wentao Huang4791199C7F61491D3284153
Verified
No proof (small exponent)
2024-10-26Denial1404791199C7F61491D4494753
History
DateUserTypeResult
2025-05-26masserNF-PP1Start=112/31, B1=1500000000, B2=1498500000000
2024-10-26Denial140C-PRPM6067/206279/3118439/677222809/4223728020632628117012808981958265264075993198833 : 4791199C7F61491D
2024-10-26Denial140F-ECMFactor: 4223728020632628117012808981958265264075993198833 / ECM curve 21, B1=260000000, B2=15022874256390, Edwards Sigma=6570487739504468
2024-02-03Wentao HuangC-PRPM6067/206279/3118439/677222809 : 4791199C7F61491D
2023-07-27-anonymous-NF-PM1B1=41000000000, B2=167114967216697500
2021-07-08ViliamFNF-PM1B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRPM6067/206279/3118439/677222809 : 4791199C7F61491D
2017-10-12kkmrkkblmbrbkC-PRPM6067/206279/3118439/677222809 : 75BDD8C192D862CC
2017-09-21Oliver KruseC-PRPM6067/206279/3118439/677222809 : 75BDD8C192D862CC
2017-09-21Oliver KruseC-PRPM6067/206279/3118439/677222809 : 75BDD8C192D862CC